122 UNIVALVES. TURBO. 



FAMILY 5. With the exterior ribbed or grooved. 

 Canaliculatus Grooved. Sparverius Pearly -mouth 1 d. 



Setosus Leopard. Spenglerianus Spengler's. 



FAMILY 6. With the exterior somewhat spinous. 

 Chrysostomus Golden-mouth'' d. Aculeatus Painted. 

 Tectum-persicum Little pa- Stellatus Spined. 



goda. *Armatus Armed. 



Pagodus Pagoda. Rugosus Rugged. 



Calcar Spur. Cornutus Large-horned. 



Stellaris Starred. Radiatus Radiated. 



Moltklanus Moltkian's. 



Minute Shells. 



*Semicostatus Ribbed. *Labiosus Lipped. 



*Ruber Red. *Ulvae Sea-weed. 



*Vitreus Glassy. *Ventrosus Bellied. 



*Punctura Punctured. *Subumbilicatus Yellow. 



*Arenarius Sand. *Cingillus Girdled. 



*Unifasciatus Sanded. *Interruptus Streaked. 



*Nivosus White. *Semistriatus Semi-striated. 



Albulus Pellucid. 



DIVISION TIL SHELL UMBILICATED AND SOLID. 



FAMILY 1. With the umbilicus toothed. 

 Pica Magpie. Nodulosus Nodulous. 



FAMILY 2. The umbilicus urithout teeth. 

 Dentatus Toothed. Diadema Diadem. 



Muricatus Prickly. Undulatus Waved. 



*Auricularis Eared. Argyrostomus Silver-mouth. 



*Vinctus Brown-banded. Margaritaceus Pearly. 



*Quadrifasciatus Four-banded. Porphyrites Porphyry. 

 Sanguineus Scarlet. Mespilus Medlar. 



Atratus Black-grained. Granulatus Granulated. 



Anguis Snake. Cinereus Ash-colour 1 d, 



Torquatus Thready. 



